feat: add tests for rendering table views

Author: JohannesRudolph

jest.config.js

@@ -1,6 +1,12 @@
 module.exports = {
   transform: {
     "^.+\\.ts?$": "ts-jest",
+    "^.+\\markdown-table.js?$": "ts-jest",
+  },
+  globals: {
+    'ts-jest': {
+      isolatedModules: true
+    }
   },
   testEnvironment: "node",
   testRegex: "./src/.*\\.(test|spec)?\\.(ts|ts)$",

src/DatabaseViewRenderer.spec.ts

@@ -0,0 +1,94 @@
+import { DatabaseViewRenderer } from "./DatabaseViewRenderer";
+import { RenderDatabaseEntryTask } from "./RenderDatabaseEntryTask";
+
+describe("DatabaseViewRenderer", () => {
+  test("renders with grouping", async () => {
+    const linkRenderer = {};
+    const sut = new DatabaseViewRenderer(linkRenderer as any);
+
+    const entries: RenderDatabaseEntryTask[] = [
+      {
+        properties: {
+          meta: { id: "a", title: " A", url: "http://a" },
+          properties: new Map([
+            ["Name", "A"],
+            ["Foo", "Bar"],
+          ]),
+        },
+      },
+      {
+        properties: {
+          meta: { id: "b", title: " B", url: "http://b" },
+          properties: new Map([
+            ["Name", "B"],
+            ["Foo", "Baz"],
+          ]),
+        },
+      },
+    ];
+
+    const result = sut.renderViews(entries, {
+      entries: { emitToIndex: false },
+      renderAs: "table",
+      views: [
+        {
+          title: "By Foo",
+          properties: {
+            groupBy: "Foo",
+          },
+        },
+      ],
+    });
+
+    const expected = `## By Foo - Bar
+
+| Name | Foo |
+| ---- | --- |
+| A    | Bar |
+
+## By Foo - Baz
+
+| Name | Foo |
+| ---- | --- |
+| B    | Baz |`;
+    expect(result).toEqual(expected);
+  });
+
+  test("filters columns", async () => {
+    const linkRenderer = {};
+    const sut = new DatabaseViewRenderer(linkRenderer as any);
+
+    const entries: RenderDatabaseEntryTask[] = [
+      {
+        properties: {
+          meta: { id: "a", title: " A", url: "http://a" },
+          properties: new Map([
+            ["Name", "A"],
+            ["Foo", "Bar"],
+            ["Alice", "Bob"],
+          ]),
+        },
+      },
+    ];
+
+    const result = sut.renderViews(entries, {
+      entries: { emitToIndex: false },
+      renderAs: "table",
+      views: [
+        {
+          title: "By Foo",
+          properties: {
+            include: ["Name", "Foo"],
+          },
+        },
+      ],
+    });
+
+    const expected = `## By Foo
+
+| Name | Foo |
+| ---- | --- |
+| A    | Bar |`;
+    expect(result).toEqual(expected);
+  });
+});

src/DatabaseViewRenderer.ts

@@ -68,7 +68,8 @@ export class DatabaseViewRenderer {
 
     const tableMd = markdownTable.markdownTable(table);
     if (view.title) {
-      return `## ${view.title} - ${titleAppendix}\n\n` + tableMd;
+      const formattedTitle = [view.title, titleAppendix].filter(x => !!x).join(" - ");
+      return `## ${formattedTitle}\n\n` + tableMd;
     } else {
       return tableMd;
     }